Enables Efficient Joining of Data File on Common Fields using the Unix Utility Join
create artificial data for testing
count columns of files
create command to fully join multiple (more than 2) files
create command to fully join lines of two files on a common field
create command to left join lines of two files on a common field with ...
creates named Unix pipes, which gzipped files can be streamed to for e...
Wrapper around the Unix join facility which is more efficient than the built-in R routine merge(). The package enables the joining of multiple files on disk at once. The files can be compressed and various filters can be deployed before joining. Compiles only under Unix.